president obama returned to the golden state this weekend. there's high interest in several congressional races in the state. will california tip the scales for the control of the u.s. house? governor brown vetoes few of the more than 1,800 bills on his desk, as he presses for support of proposition 30 on the november ballot. and gas jumped as much as 20 cents overnight, with the spike expected to continue. plus, anti-domestic violence leader estra sola on making all violence an issue of global concern, coming up next. >>> good evening, i'm belva davis and welcome to "this week in northern california." on our news panel tonight, dan walters, political column nis for "the sacramento bee." in studio, we have tom vacar, computer editor for ktvu news and josh richman, regional political reporter for the bay asia news group. and joe garofoli, political reporter for "the san francisco chronicle." joe, you were in denver for the first presidential debate. must have been hard covering it, since there were so many people tweeting that night. tell us w